Segment Information (Revenues and Operating Income by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 5,872.1	$ 6,201.3	$ 17,256.1	$ 17,213.8
Operating Income	2,763.9	2,986.5	6,788.3	7,958.9
Gain (loss) on disposition of business			(1,281.0)
Gain (loss) on sale of stock in subsidiary or equity method investee		106.0		339.0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Dynamic Yield
Segment Reporting Information [Line Items]
Pre-tax gain (loss) on disposal			271.0
U.S.
Segment Reporting Information [Line Items]
Total revenues	2,456.6	2,260.7	7,042.2	6,615.0
Operating Income	1,326.6	1,254.9	3,797.5	3,647.9
International Operated Markets
Segment Reporting Information [Line Items]
Total revenues	2,817.8	3,372.7	8,487.4	9,007.6
Operating Income	1,374.4	1,519.6	2,639.9	3,745.4
International Developmental Licensed Markets and Corporate
Segment Reporting Information [Line Items]
Total revenues	597.7	567.9	1,726.5	1,591.2
Operating Income	$ 62.9	$ 212.0	$ 350.9	$ 565.6